A treatment applied to some metal after it has been hot-rolled. The treatment consists of passing the metal through an acid to remove surface oxides, and then rinsing and oiling the metal to reduce the formation of rust.
The Fabricator Blog
Fabricating a copper chimney cap - by Nick Martin Custom fabricating shops bid all kinds of jobs. Sometimes these jobs involve materials and processes beyond those the shop typically encounters. They make for interesting work that can require brushing up on little-used skills. Building a copper chimney cap was just such a job for Barnes MetalCrafters, one that resulted in a beautiful, functional work of art.
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